the first device that is made of wood, metal, etc, this helps us to add.
wooden device that helps us to multiply
first calculator that worked with engines (Blaise Pascal)
its a device that work to print in loom,first antecedent of the computer.
is an automatic mechanical calculator designed to tabulate polynomial functions.
was a proposed mechanical general-purpose computer designed by English mathematician and computer pioneer Charles Babbage.
Herman Hollerith había desarrollado un sistema de tarjetas perforadas eléctricas y basado en la lógica de Boole, aplicándolo a una máquina tabuladora de su invención.